Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN: 9781337399128
Author: Russell E. Smith
Publisher: Cengage Learning
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Q.1. Answer True or False and correct errors if found
1. In a certain Op-Amp. if Ad=3500, Ac=0.35, the CMRR=100dB.
2. The voltage series feedback can increase both input and output impedances.
3. A two-pole Sallen-Key high-pass filter contains one capacitor and two resistors.
4. The main feature of a crystal oscillator is the high frequency operation.
Each transistor in a class B power amplifier conducts for the entire input cycle.
✓ The Q-point must be centered on the load line for maximum class A output signal swing
7. The differentiator Op-Amp can convert the triangle waveform into sinewave.
✗Class AB power amplifier eliminates crossover distortion found in pure class A.
9. Wien-bridge oscillators are based on positive feedback circuits.
10. The band-reject filter is composed of multiplication of LPF and HPF.
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Transcribed Image Text:Q.1. Answer True or False and correct errors if found 1. In a certain Op-Amp. if Ad=3500, Ac=0.35, the CMRR=100dB. 2. The voltage series feedback can increase both input and output impedances. 3. A two-pole Sallen-Key high-pass filter contains one capacitor and two resistors. 4. The main feature of a crystal oscillator is the high frequency operation. Each transistor in a class B power amplifier conducts for the entire input cycle. ✓ The Q-point must be centered on the load line for maximum class A output signal swing 7. The differentiator Op-Amp can convert the triangle waveform into sinewave. ✗Class AB power amplifier eliminates crossover distortion found in pure class A. 9. Wien-bridge oscillators are based on positive feedback circuits. 10. The band-reject filter is composed of multiplication of LPF and HPF.
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